Photoshop Tip: Loading the Mixer Brush tool
Tips & Tutorials, by Mark White
April 26, 2013
Control the amount of paint you apply using the Mixer Brush tool’s Load function
The Load value for the Mixer Brush governs how fully the brush is loaded with paint.
At very low settings the brush quickly runs out of paint, and at higher settings the tool creates longer strokes. Vary the values of this for realistic results.